Brother DCP-J774DW Online User's Manual page 423

If your LCD error message was [Repeat Jam A Inside/Front], move the print head (if needed) to
take out any paper remaining in this area. Make sure scraps of paper are not left in the corners of the
machine (1) and (2).
1
When finished, continue with the next step.
6. Gently close the scanner cover using both hands.
7. Slowly pull the jammed paper (1) out of the machine.
1
2
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